Michele Riva
Sep 27, 2023
Things I learned while writing high-performance JavaScript applications
#1about 5 minutes
The four pillars of high-performance JavaScript
JavaScript can be as fast as lower-level languages by focusing on four key areas: algorithms, dependencies, optimizations, and architecture.
#2about 5 minutes
The importance of algorithms and data structures
Learning algorithms should be driven by practical goals like side projects, not just passing interviews at large tech companies.
#3about 4 minutes
Managing dependencies for better performance
Categorize dependencies as inevitable, convenient, or empowering to avoid unnecessary overhead from general-purpose libraries like Lodash.
#4about 6 minutes
Optimizing code by understanding the V8 runtime
Write faster code by using imperative programming, understanding V8 engine features like TurboFan, and using monomorphic functions.
#5about 4 minutes
How software architecture impacts performance
Performance strategies must adapt to the execution environment, such as browsers, servers, or constrained nano services like Cloudflare Workers.
#6about 2 minutes
Balancing performance metrics beyond raw speed
Consider performance trade-offs between raw execution speed, iteration speed for development, and team onboarding efficiency.
#7about 2 minutes
Q&A on TypeScript, clean code, and algorithms
The speaker answers audience questions about using TypeScript without performance penalties, the trade-offs of "dirty" code, and Dijkstra's algorithm.
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